PH Meter

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PH INDICATORS / PH TRANSMITTERS

GENERAL DESCRIPTION

Analogik P^H meter and transmitter incorporates the latest high technological advancements. It has very stability, reproducibility & contineous duly cycle. The instrument having very high input impedance advanced (MOS-FET butter OP-AMP) The instrument accepts all types of PH electrode. Auto / manual temp, compensation facility is available. The instrument indicates PH by 3 1/2 digit LED / LCD display.

FEATURES

	Manual / Auto temp, compensation by pt-100 sensor.
	Direct indication of PH/ mV and temp, by LED/LCD displays.
	Slope control for correcting electrode slope.
	Asymetry control to eliminate ageing offect.
	0 / 4 to 20 mA output into 500 V incase of PH transmitter.

CONSTRUCTION & OPERATION

The glass epory, green masked, PCB with high quality components soldered gives the drift free performance. The mV signal from PH electrode is directly given to high I / P impedance buffer amplifier and then this signal is processed. The auto/manual temp, compensation circuit is added at this stage & signal is given to DPM / V to I connector.Thus we get PH indication or 0 / 4 to 20 mA signal proportional to input p^H.

APPLICATIONS

p^H meter and P^H transmitter are commonly used in many industries & plants. Used in water treatment plants, Power Station, Sugar Mills, Steel Plant, Paper Industry, Chemical, Petro Chemical, Food, Fertiliser, Soft Drink Industries.

SPECIFICATIONS	pH INDICATOR	pH TRANSMITTER
RANGE	O to 14^H.1999 mV	Oto14P^H.
DISPLAY OUTPUT	3 1/2 digit LED or LCD	3 1/2 digit LCD-local indication optiona 0/4 to 20mA proportional to 0 to 14 PH.
ACCURACY	0.25% of F. S.	0.25% of F. S.
TEMP.Compensation Automatic with pt -100 manual by pot	Oto130C.	0 to 130 C. Automatic only.
INPUT IMPEDANCE SUPPLY	>1012Ohms.9 VDC, 230 V AC, 50 Hz 1 PHASE	>1012Ohms.9 VDC, 230 V AC, 50 Hz 1 PHASE
SLOPE ADJUSTMENT	90 to 110% at 25 C. 1	90 to 110% at 25 C. 1
ASYMETRY ADJUSTMENT	1 P^H.	1 P^H.
OUTPUT LOAD	-	500 V Max.
RECORDER OUTPT